LA Times: You’ve just driven from Oakland to San Francisco across the Bay Bridge and shelled out $4 for the toll. You’ll be dinged upward of $30 to park for the day in the city. And, if city officials have their way, motorists could be charged $3 to drive into downtown San Francisco during peak commute hours and another $3 to leave. America’s second-most-congested city could become the first to institute congestion pricing to reduce downtown traffic, improve the environment and raise money for …